Home / 1,625.23-2,438.10-529.23

Finding the Fourth Proportional to 1,625.23, 2,438.10 and 529.23

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Solution

The fourth proportional to 1,625.23, 2,438.10 and 529.23 is: 793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.23 : 2,438.10 = 529.23 : x
  2. Step 2: Convert to fraction form
    1,625.23/2,438.10 = 529.23/x
  3. Step 3: Cross multiply
    1,625.23x = 2,438.10 × 529.23
  4. Step 4: Simplify right side
    1,625.23x = 1,290,324.81
  5. Step 5: Solve for x
    x = 1,290,324.81/1,625.23
  6. Step 6: Final answer
    x = 793.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.